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NFC: Cache plugin name not full path, saves some RAM (#3737)

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* NFC: Cache plugin name not full path, saves some RAM
* Remove file_path FuriString from context

Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: gornekich <gornekich@users.noreply.github.com>
This commit is contained in:
WillyJL 2024-07-06 14:18:48 +02:00 committed by GitHub
parent 1510d8773b
commit a0eab5a371
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GPG key ID: B5690EEEBB952194
1 changed files with 25 additions and 17 deletions
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42
applications/main/nfc/helpers/nfc_supported_cards.c
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@ -24,7 +24,7 @@ typedef enum {
} NfcSupportedCardsPluginFeature;
typedef struct {
FuriString* path;
FuriString* name;
NfcProtocol protocol;
NfcSupportedCardsPluginFeature feature;
} NfcSupportedCardsPluginCache;
@ -41,7 +41,6 @@ typedef enum {
typedef struct {
Storage* storage;
File* directory;
FuriString* file_path;
char file_name[256];
FlipperApplication* app;
} NfcSupportedCardsLoadContext;
@ -73,7 +72,7 @@ void nfc_supported_cards_free(NfcSupportedCards* instance) {
!NfcSupportedCardsPluginCache_end_p(iter);
NfcSupportedCardsPluginCache_next(iter)) {
NfcSupportedCardsPluginCache* plugin_cache = NfcSupportedCardsPluginCache_ref(iter);
furi_string_free(plugin_cache->path);
furi_string_free(plugin_cache->name);
}
NfcSupportedCardsPluginCache_clear(instance->plugins_cache_arr);
@ -86,7 +85,6 @@ static NfcSupportedCardsLoadContext* nfc_supported_cards_load_context_alloc(void
instance->storage = furi_record_open(RECORD_STORAGE);
instance->directory = storage_file_alloc(instance->storage);
instance->file_path = furi_string_alloc();
if(!storage_dir_open(instance->directory, NFC_SUPPORTED_CARDS_PLUGINS_PATH)) {
FURI_LOG_D(TAG, "Failed to open directory: %s", NFC_SUPPORTED_CARDS_PLUGINS_PATH);
@ -100,8 +98,6 @@ static void nfc_supported_cards_load_context_free(NfcSupportedCardsLoadContext*
flipper_application_free(instance->app);
}
furi_string_free(instance->file_path);
storage_dir_close(instance->directory);
storage_file_free(instance->directory);
@ -111,16 +107,19 @@ static void nfc_supported_cards_load_context_free(NfcSupportedCardsLoadContext*
static const NfcSupportedCardsPlugin* nfc_supported_cards_get_plugin(
NfcSupportedCardsLoadContext* instance,
const FuriString* path,
const char* name,
const ElfApiInterface* api_interface) {
furi_assert(instance);
furi_assert(path);
furi_assert(name);
const NfcSupportedCardsPlugin* plugin = NULL;
FuriString* plugin_path = furi_string_alloc_printf(
"%s/%s%s", NFC_SUPPORTED_CARDS_PLUGINS_PATH, name, NFC_SUPPORTED_CARDS_PLUGIN_SUFFIX);
do {
if(instance->app) flipper_application_free(instance->app);
instance->app = flipper_application_alloc(instance->storage, api_interface);
if(flipper_application_preload(instance->app, furi_string_get_cstr(path)) !=
if(flipper_application_preload(instance->app, furi_string_get_cstr(plugin_path)) !=
FlipperApplicationPreloadStatusSuccess)
break;
if(!flipper_application_is_plugin(instance->app)) break;
@ -136,6 +135,7 @@ static const NfcSupportedCardsPlugin* nfc_supported_cards_get_plugin(
plugin = descriptor->entry_point;
} while(false);
furi_string_free(plugin_path);
return plugin;
}
@ -151,13 +151,21 @@ static const NfcSupportedCardsPlugin* nfc_supported_cards_get_next_plugin(
instance->directory, NULL, instance->file_name, sizeof(instance->file_name)))
break;
furi_string_set(instance->file_path, instance->file_name);
if(!furi_string_end_with_str(instance->file_path, NFC_SUPPORTED_CARDS_PLUGIN_SUFFIX))
continue;
size_t suffix_len = strlen(NFC_SUPPORTED_CARDS_PLUGIN_SUFFIX);
size_t file_name_len = strlen(instance->file_name);
if(file_name_len <= suffix_len) break;
path_concat(NFC_SUPPORTED_CARDS_PLUGINS_PATH, instance->file_name, instance->file_path);
size_t suffix_start_pos = file_name_len - suffix_len;
if(memcmp(
&instance->file_name[suffix_start_pos],
NFC_SUPPORTED_CARDS_PLUGIN_SUFFIX,
suffix_len) != 0)
break;
plugin = nfc_supported_cards_get_plugin(instance, instance->file_path, api_interface);
// Trim suffix from file_name to save memory. The suffix will be concatenated on plugin load.
instance->file_name[suffix_start_pos] = '\0';
plugin = nfc_supported_cards_get_plugin(instance, instance->file_name, api_interface);
} while(plugin == NULL); //-V654
return plugin;
@ -181,7 +189,7 @@ void nfc_supported_cards_load_cache(NfcSupportedCards* instance) {
if(plugin == NULL) break; //-V547
NfcSupportedCardsPluginCache plugin_cache = {}; //-V779
plugin_cache.path = furi_string_alloc_set(instance->load_context->file_path);
plugin_cache.name = furi_string_alloc_set(instance->load_context->file_name);
plugin_cache.protocol = plugin->protocol;
if(plugin->verify) {
plugin_cache.feature |= NfcSupportedCardsPluginFeatureHasVerify;
@ -233,7 +241,7 @@ bool nfc_supported_cards_read(NfcSupportedCards* instance, NfcDevice* device, Nf
const ElfApiInterface* api_interface =
composite_api_resolver_get(instance->api_resolver);
const NfcSupportedCardsPlugin* plugin = nfc_supported_cards_get_plugin(
instance->load_context, plugin_cache->path, api_interface);
instance->load_context, furi_string_get_cstr(plugin_cache->name), api_interface);
if(plugin == NULL) continue;
if(plugin->verify) {
@ -281,7 +289,7 @@ bool nfc_supported_cards_parse(
const ElfApiInterface* api_interface =
composite_api_resolver_get(instance->api_resolver);
const NfcSupportedCardsPlugin* plugin = nfc_supported_cards_get_plugin(
instance->load_context, plugin_cache->path, api_interface);
instance->load_context, furi_string_get_cstr(plugin_cache->name), api_interface);
if(plugin == NULL) continue;
if(plugin->parse) {